package com.jsy.common.util.anotation;


import com.google.gson.Gson;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;

import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.stereotype.Component;

import javax.servlet.http.HttpServletRequest;
import java.lang.reflect.Method;

/**
 * 系统日志，切面处理类 * * @author * @email * @date
 */
@Aspect
@Component
public class SysLogAspect {
    //    @Autowired
//    private SysLogService sysLogService;
    @Pointcut("@annotation(com.jsy.common.util.anotation.SysLog)")//指向自定义注解路径
    public void logPointCut() {

    }

    /**
     * 切面记录系统日志 * @param point * @return * @throws Throwable
     */
    @Around("logPointCut()")
    public Object around(ProceedingJoinPoint point) throws Throwable {
        long beginTime = System.currentTimeMillis();
        //执行方法
        Object result = point.proceed();
        //执行时长(毫秒)
        long time = System.currentTimeMillis() - beginTime;
        //保存日志
        saveSysLog(point, time);
        return result;
    }

    // 保存日志
    private void saveSysLog(ProceedingJoinPoint joinPoint, long time) {
        MethodSignature signature = (MethodSignature) joinPoint.getSignature();
        Method method = signature.getMethod();
        SysLogEntity sysLog = new SysLogEntity();
        SysLog syslog = method.getAnnotation(SysLog.class);
        if (syslog != null) {
            //注解上的描述
            sysLog.setOperation(syslog.value());
        }
        //请求的方法名
        String className = joinPoint.getTarget().getClass().getName();
        String methodName = signature.getName();
        sysLog.setMethod(className + "." + methodName + "()"); //请求的参数
        Object[] args = joinPoint.getArgs();
        try {
            String params = new Gson().toJson(args[0]);
            sysLog.setParams(params);
        } catch (Exception e) {
        }
       sysLog.setTime(time);
        //保存系统日志
//        sysLogService.save(sysLog);
    }
}
